Acta Agrestia Sinica
Age structures of Agropyron michnoi in Hulunbeier Sandy Grassland
JIN Xiao-ming, AO Yong-gui, AI Lin, SONG Xue-feng, WANG Rui-feng, LU Xin-shi
Acta Agrestia Sinica . 2011, (3): 367 -371 .  DOI: 10.11733/j.issn.1007-0435.2011.03.001